Question #6429325Single Choice

Physics

Question

For the velocity-time graph shown, what is the object's acceleration?

Options

A

-3 m/s²

B

-5 m/s²

C

15 m/s²

D

20 m/s²

Answer & Analysis

Answer

A

Analysis

Identify the initial and final velocities and the time interval:

At t = 0, the initial velocity .

At t = 5s, the final velocity v = 0 m/s.

The time interval , and the change in velocity .

Calculate the acceleration:

Using the formula

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